- Acid Black 234
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- $3.00 / 25kg
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2022-10-28
- CAS:157577-99-6
- Min. Order: 25kg
- Purity: 99%
- Supply Ability: 20 tons
- Acid Black 234
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- $2.00 / 1kg
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2019-07-06
- CAS:157577-99-6
- Min. Order: 1kg
- Purity: 99%
- Supply Ability: 100kg
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| | Acid Black 234 Basic information |
| Product Name: | Acid Black 234 | | Synonyms: | Black NB;2, 7-Naphthalenedisulfonic acid, 4-amino-3-[[4-[[[4-[(2, 4-diaminophenyl)azo]phenyl]sulfonyl]amino]phenyl]azo]-5-hydroxy-6-(phenylazo), disodium salt;Acid Black BA;Acid Black NBG;Acid Black NB-G;Apollo Leather Black NGRL;C.I.Acid Black 234;Coriamine Black NB-G | | CAS: | 157577-99-6 | | MF: | C34H29N10NaO9S3 | | MW: | 840.84 | | EINECS: | 605-104-5 | | Product Categories: | | | Mol File: | 157577-99-6.mol |  |
| | Acid Black 234 Chemical Properties |
| | Acid Black 234 Usage And Synthesis |
| Preparation | 4-Amino-N-(4-aminophenyl)benzenesulfonamide double nitriding,sulfonylurea aniline in acid conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acidcoupling, aniline diazo, and the above the products in alkaline conditions coupling, and then Benzene-1,3-diamine coupled. | | Flammability and Explosibility | Non flammable | | Properties and Applications | black. Mainly used for wool, silk, cotton and glue dyeing, also can be used for leather dyeing. |
| | Acid Black 234 Preparation Products And Raw materials |
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